Home / 39,159.87-54,027.76-22,162.43

Finding the Fourth Proportional to 39,159.87, 54,027.76 and 22,162.43

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Solution

The fourth proportional to 39,159.87, 54,027.76 and 22,162.43 is: 30,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.87 : 54,027.76 = 22,162.43 : x
  2. Step 2: Convert to fraction form
    39,159.87/54,027.76 = 22,162.43/x
  3. Step 3: Cross multiply
    39,159.87x = 54,027.76 × 22,162.43
  4. Step 4: Simplify right side
    39,159.87x = 1,197,386,449.06
  5. Step 5: Solve for x
    x = 1,197,386,449.06/39,159.87
  6. Step 6: Final answer
    x = 30,576.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.